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Note 11 - Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | 2016 |  |  | 2015 |
Salaries and employee benefits |  | $ | 2,695 |  |  | $ | 2,822 |
Accrued sales, property and other tax |  |  | 265 |  |  |  | 202 |
Interest payable |  |  | 6 |  |  |  | 9 |
Insurance payable |  |  | 675 |  |  |  | 833 |
Other |  |  | 453 |  |  |  | 475 |
Total accrued expenses |  | $ | 4,094 |  |  | $ | 4,341 |

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